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Heart rate variability in the prediction of mortality: A systematic review and meta-analysis of healthy and patient populations
Measures of heart rate variability (HRV) as a predictor of risk of disease and mortality have been investigated from various perspectives for more than six decades. The aim of the present comprehensive meta-analysis is to examine eight different HRV parameters to determine their association with all...
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Published in: | Neuroscience and biobehavioral reviews 2022-12, Vol.143, p.104907-104907, Article 104907 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Measures of heart rate variability (HRV) as a predictor of risk of disease and mortality have been investigated from various perspectives for more than six decades. The aim of the present comprehensive meta-analysis is to examine eight different HRV parameters to determine their association with all-cause and cardiac mortality. A total of 32 studies and two individual participant datasets (IPD) with 37 samples and 38,008 participants were included. Lower HRV parameter values were significant predictors of higher mortality across different ages, sex, continents, populations and recording lengths. Most of the examined parameters showed comparable hazard ratios (HR). IPD sub-analysis for heart rate corrected HRV parameters confirmed the strong association between HRV and all-cause mortality. Meta-regressions revealed no effect modifier for HRs extracted from covariate-adjusted studies. Sub-analyses of studies comparing the lowest quartile of 5-min root mean square of successive differences (RMSSD) vs. the other quartiles yielded a combined HR of 1.56 (95% CI: 1.32–1.85). The applicability of HRV measurement in preventive settings is discussed.
•This meta-analysis includes 32 studies and 2 datasets with 38,008 participants.•Measures of heart rate variability (HRV) were predictors of all-cause mortality.•Similar associations were found in both general and clinical populations.•5-min-RMSSD within the lowest quartile corresponds to a 56% increased risk of death. |
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ISSN: | 0149-7634 1873-7528 |
DOI: | 10.1016/j.neubiorev.2022.104907 |